期刊
DYES AND PIGMENTS
卷 77, 期 2, 页码 374-379出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2007.06.008
关键词
porphyrin-polypyridyl ruthenium(II) hybrid; energy transfer; electron transfer
Two new hybrids, namely [C-4-ZnTPP-(ip)Ru(phen)(2)](ClO4)(2) and [C-4-ZnTPP-(ip)Ru(PiP)(2)](ClO4)(2), containing a zinc(II) porphyrin unit and a polypyridyl ruthenium(II) complex unit were synthesized and characterized. Their photoinduced intramolecular electron and energy transfer proper-ties were investigated using electronic absorption spectra, fluorescence spectra and decayed luminescence spectra. In both hybrid compounds, an electronic interaction and energy transfer between the zinc(II) porphyrin moiety and the polypyridyl ruthenium(II) moiety were observed. The efficiency of the energy transfer from (MLCT)-M-3 of the polypyridyl ruthenium(II) moiety to the zinc(II) porphyrin moiety and the rate of electron transfer from the singlet excited state of the porphyfin moiety to the polypyfidyl ruthenium(II) may be related to the axial coordination of the N atom from pip in polypyridyl ruthenium(II) moiety to the zinc(II) ion. (c) 2007 Elsevier Ltd. All rights reserved.
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